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            <span>Ruby on Rails v4.0.0</span><br />
        
        <h1>
            README.rdoc
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        <ul class="files">
            
            <li>
                activesupport/README.rdoc
                
                    <a href="https://github.com/rails/rails/blob/336dae02cd001b0bea9e106e129e89931cce29e6/activesupport/README.rdoc" target="_blank" class="github_url">on GitHub</a>
                
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            <li>Last modified: 2013-06-25 14:39:21 +0000</li>
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<h1 id="label-Active+Support+--+Utility+classes+and+Ruby+extensions+from+Rails">Active Support – Utility classes and Ruby extensions from <a href="../../classes/Rails.html">Rails</a></h1>

<p>Active Support is a collection of utility classes and standard library
extensions that were found useful for the <a
href="../../classes/Rails.html">Rails</a> framework. These additions reside
in this package so they can be loaded as needed in Ruby projects outside of
<a href="../../classes/Rails.html">Rails</a>.</p>

<h2 id="label-Download+and+installation">Download and installation</h2>

<p>The latest version of Active Support can be installed with RubyGems:</p>

<pre>% [sudo] gem install activesupport</pre>

<p>Source code can be downloaded as part of the <a
href="../../classes/Rails.html">Rails</a> project on GitHub:</p>
<ul><li>
<p><a
href="https://github.com/rails/rails/tree/master/activesupport">github.com/rails/rails/tree/master/activesupport</a></p>
</li></ul>

<h2 id="label-License">License</h2>

<p>Active Support is released under the MIT license:</p>
<ul><li>
<p><a
href="http://www.opensource.org/licenses/MIT">www.opensource.org/licenses/MIT</a></p>
</li></ul>

<h2 id="label-Support">Support</h2>

<p>API documentation is at:</p>
<ul><li>
<p><a href="../../index.html">api.rubyonrails.org</a></p>
</li></ul>

<p>Bug reports and feature requests can be filed with the rest for the Ruby on
<a href="../../classes/Rails.html">Rails</a> project here:</p>
<ul><li>
<p><a
href="https://github.com/rails/rails/issues">github.com/rails/rails/issues</a></p>
</li></ul>

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